Service difficulty report · Gland Nut · Boeing 7377BD

Difficulty date
April 11, 2025
Submitted
May 19, 2025
Operation
Air carrier
Aircraft
N7747C
Make and model
Boeing 7377BD
Aircraft serial
36091
Aircraft time
56,690 hours, 29,425 cycles
Part
Gland Nut
Condition
Debonded
Location
Zone 600
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CUSTOMER REQUEST - DEBONDED EXTERNAL SKIN OB AFT FLAP IB EDGE AT LT WING 2025-250385<[01] TOOL USED: CALIPER PN: 500-196-30; SN: B23373747; DUE DATE: 26-JAN-26.;[02] TOOL USED STEP 3: ULTRASONIC EQUIPMENT; P/N: BONDMA600D; S/N: 230106912; DUE DATE: 05 FEB 26.;[03] TOOL USED: P/N BONDMASTER 600M S/N 220052310 DUE DATE : 04-DEC-25.;[04] PERFORMED INTERIM REPAIR ON O/B AFT FLAP I/B SIDE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGNOFFS BELOW.;[05] PERFORMED INTERIM REPAIR ON O/B AFT FLAP I/B SIDE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 RII COMPLETED

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